#首字母大写
# name = 'abc muye'
# print(name.title())
# names = 'abcdefg'
# print(names.title())
# a = 'abc def'
# print(a.capitalize())

#剧中长度
# a = 'abc def'
# print(a.center(10))


#报错  需要重新调试
# str = "this is string example....wow!!!"
# sub = "i";
# print(str.count(0,0,end=15))